ENABLE max-line-len options support

Author: leeight

bin/lessc

@@ -12,6 +12,7 @@ var options = {
     depends: false,
     compress: false,
     yuicompress: false,
+    max_line_len: -1,
     optimization: 1,
     silent: false,
     verbose: false,
@@ -76,6 +77,12 @@ args = args.filter(function (arg) {
         case 'yui-compress':
             options.yuicompress = true;
             break;
+        case 'max-line-len':
+            options.max_line_len = parseInt(match[2], 10);
+            if (options.max_line_len <= 0) {
+              options.max_line_len = -1;
+            }
+            break;
         case 'no-color':
             options.color = false;
             break;
@@ -199,6 +206,7 @@ var parseLessFile = function (e, data) {
                     ieCompat: options.ieCompat,
                     compress: options.compress,
                     yuicompress: options.yuicompress,
+                    max_line_len: options.max_line_len,
                     strictMaths: options.strictMaths,
                     strictUnits: options.strictUnits
                 });

lib/less/lessc_helper.js

@@ -40,6 +40,7 @@ var lessc_helper = {
         sys.puts("  -v, --version           Print version number and exit.");
         sys.puts("  -x, --compress          Compress output by removing some whitespaces.");
         sys.puts("  --yui-compress          Compress output using ycssmin");
+        sys.puts("  --max-line-len          Max line length used by ycssmin");
         sys.puts("  -O0, -O1, -O2           Set the parser's optimization level. The lower");
         sys.puts("                          the number, the less nodes it will create in the");
         sys.puts("                          tree. This could matter for debugging, or if you");

lib/less/parser.js

@@ -422,7 +422,7 @@ less.Parser = function Parser(env) {
                     }
 
                     if (options.yuicompress && less.mode === 'node') {
-                        return require('ycssmin').cssmin(css);
+                        return require('ycssmin').cssmin(css, options.max_line_len);
                     } else if (options.compress) {
                         return css.replace(/(\s)+/g, "$1");
                     } else {